clear; close all;

x=[0 180 240 420 630 1040 1440 2160 2790 3900 4800 6380 7590 9720 11280 14040 15990 19460 21840 26100];
y=[96525 104247 111969 119691 127413 135135 142857 150579 158301 166023 173745 181467 189189 196911 204633 212355 220077 227799 235521 243243];

for i=1:length(x)
    X(i)=sum(x(1:i));
end

plot(y-X,'-o'); grid on; xlabel('Landan Level'); title('Exp out - Exp in');
